along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.h,v 1.9.4.38 2002/02/10 21:57:54 guus Exp $
+ $Id: net.h,v 1.9.4.46 2002/03/01 14:09:31 guus Exp $
*/
#ifndef __TINC_NET_H__
#define __TINC_NET_H__
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
#include <sys/time.h>
#include "config.h"
#define MAXSIZE 1600 /* MTU + header (seqno) and trailer (CBC padding and HMAC) */
#define MAXBUFSIZE 2048 /* Probably way too much, but it must fit every possible request. */
+#define MAXSOCKETS 128 /* Overkill... */
typedef struct mac_t
{
unsigned char x[6];
} mac_t;
-typedef unsigned long ipv4_t;
+typedef struct ipv4_t
+{
+ unsigned char x[4];
+} ipv4_t;
typedef struct ip_mask_t {
ipv4_t address;
typedef short length_t;
+typedef union {
+ struct sockaddr sa;
+ struct sockaddr_in in;
+ struct sockaddr_in6 in6;
+} sockaddr_t;
+
+#ifdef SA_LEN
+#define SALEN(s) SA_LEN(&s)
+#else
+#define SALEN(s) (s.sa_family==AF_INET?sizeof(struct sockaddr_in):sizeof(struct sockaddr_in6))
+#endif
+
typedef struct vpn_packet_t {
length_t len; /* the actual number of bytes in the `data' field */
+ int priority; /* priority or TOS */
unsigned int seqno; /* 32 bits sequence number (network byte order of course) */
unsigned char data[MAXSIZE];
} vpn_packet_t;
typedef struct outgoing_t {
char *name;
int timeout;
+ struct config_t *cfg;
+ struct addrinfo *ai;
+ struct addrinfo *aip;
} outgoing_t;
extern int maxtimeout;
extern int seconds_till_retry;
+extern int addressfamily;
extern char *request_name[];
extern char *status_text[];
#include "connection.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
+extern int tcp_socket[MAXSOCKETS];
+extern int udp_socket[MAXSOCKETS];
+extern int listen_sockets;
+extern int keyexpires;
+extern int keylifetime;
+extern int do_prune;
+extern int do_purge;
+extern char *myport;
+extern time_t now;
+
+extern void retry_outgoing(outgoing_t *);
+extern void handle_incoming_vpn_data(int);
+extern void finish_connecting(connection_t *);
+extern void do_outgoing_connection(connection_t *);
+extern int handle_new_meta_connection(int);
+extern int setup_listen_socket(sockaddr_t *);
+extern int setup_vpn_in_socket(sockaddr_t *);
extern void send_packet(struct node_t *, vpn_packet_t *);
extern void receive_packet(struct node_t *, vpn_packet_t *);
extern void receive_tcppacket(struct connection_t *, char *, int);